Ever wondered how a digital combination lock works?
Instructables member Nino123 is kind enough to demonstrate the inner workings, with a step-by-step HowTo on building your own.
"You can connect it to anything from 1v to 400v (or maybe more that depends on the RELAY), DC or AC, so you could use it to control another circuit, or even to electrify a fence! (please don't try that, really dangerous)…"
Just updated your iPhone? You'll find new emoji, enhanced security, podcast transcripts, Apple Cash virtual numbers, and other useful features. There are even new additions hidden within Safari. Find out what's new and changed on your iPhone with the iOS 17.4 update.
Be the First to Comment
Share Your Thoughts